Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 1, pages 13-15
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 1, pages 25-27
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 2, pages 32-40
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 2, pages 41-45
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 3, pages 57-63
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 3, pages 66-73
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 3, pages 74-77
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 4, pages 89-92
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 4, pages 93-96
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 4, pages 101-103
Published in Carnivorous plant newsletter, in 1982, in volume 11, issue 4, pages 104-106